Tack-fastened button.



D. H. MUNGER.

TACK FASTENED BUTTON.

APPLIGATION FILED MAY 3, 1912.

Patented Jan. 7, 1913.

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COLUMBIA P UNITED STATES PATENT @FFTQE.

DUDLEY H. MUNGER, OF WATERBURY, CONNECTICUT, ASSIGNOR '10 SCOVILL MANU- FACTURING COMPANY, OF WATERBURY, CONNECTICUT, A COREORATION OF GON- NECTICU'I.

TACK-FASTENED BUTTON.

To all rv/10m it may concern:

Be it known that I, DUDLEY H. MUNGER, a citizen of the United States, residing at \Vaterbury, in the county of New Haven, and State of Connecticut, have invented a certain new and useful Improvement in Tackd astened Buttons, of which the following is a full, clear, and exact description.

The object of this invention is to provide a tack-fastened button that in the act of setting will take care of tacks of excessive length and insure the proper setting of the button.

In one prior construction of tack-fastened buttons, the tack shank extends within the button-back and is upset in a plate or washer within the button. If the tack is of proper relative length, it and the button will ordinarily be properly centered, but there is unavoidably some variation in tack lengths, and in some kinds of tack-fastened buttons it happens that when the button is set with a tack that is too long, the shank of the tack will bend so much that the mounted button will have a lop-sided appearance.

The present invention compensates for this bending tendency and insures the relative centering of the tack and button, besides permit-ting the button in the act of setting to accommodate itself to various thicknesses of goods on which it is being set, without changing the adjustment of the button-setting machine, and without cutting the cloth; it also provides a self-adjustment of the tack-point anchoring device within the button as the tack is clenched in setting; and it also affords extended bearings for the tack-shank at difierent points within the button.

The invention consists of a button having an interior tack anchor, preferably in the.

form of a longitudinally perforated cylinder, with concave ends so as to fit in the button-hub either side up, with which cooperates an anvil against which the tack point is upset and clenched within the uppermost concave head of the anchor, thereby drawing the anchor to a secure and selfadjusting seat within the hub, and providing with the inwardly extended perforated end of the hub three points of contact with the tacks shank, so as to center the button and tack and resist the tendency of the shank to bend in the act of setting, all as I will proceed now more particularly to set forth and finally claim.

Specification of Letters Patent.

Application filed May 3, 1912.

Patented Jan. 7, 1913.

Serial No. 694,974.

In the accompanying drawings, illustrating the invention, in the several figures of which like parts are similarly designated, Figure 1 shows detached the four component parts of the button, reading downward consecutively, the cap or cover being in cross-section, the anvil in elevation, the anchor in cross-section, and the back or collet being shown in cross-section, the hub end being unperforated. Fig. 1 is a bottom plan View of the back or collet. Fig. 2 shows the parts assembled in section, the end of the hub being perforated and extended inwardly. Fig. 2 is a bottom plan view of the assembled button of Fig. 2. Fig. 3 shows in section the button set upon goods. Figs. 4c, 5 and 6 show the anchor in elevation, crosssection and plan view, respectively, it being understood that both ends of the anchor may be as shown in Fig. 6.

The cap or cover 1 may be of any approved construction and design, and so may be the disk-like anvil 2. The anchor 3 is of cylindrical formation, with the like concaved ends l, which have the alined holes 5. The back or collet 6 has the hub 7 within which the anchor 3 finds a seat.

The parts just described are assembled as indicated in the sectional view, Fig. 2, with the cap or cover closed down over the back or collet so as to unite them securely, and then, preferably, the bottom end 8 of the hub is extended inwardly and provided with the hole 9 in alinement with the holes 5 in the anchor 3. It is to be noted that the anchor is alike or essentially alike at both ends, so that it is immaterial which end is up in assembling the button parts. This simplifies and economizes assembling. The tack 10 may be of any approved construction, having the shank 11.

As indicated in Fig. 3, the button is set upon or attached to goods 12 by placing it upon one side of the goods and then forcing a tack through the goods from the opposite side, so that its shank will pass into the hub through the hubs end hole and thence through the holes in the anchor until its point coming into forcible contact with the anvil is upset or clenched and the upset portion turned over into the uppermost concave end of the anchor. The anchor, when assembled within the button back, is driven only part way into the hub. This leaves a pocket in the hub between the anchor and the bottom of the hub, and the metal of the hub below the anchor, to a certain extent, may be collapsible under excess of pressure the metal bulging outwardly, and hence the button will accommodate itself to various thicknesses of goods on which it is set, without changing the adjustment of the buttonsetting machine and without cutting the cloth. The hole 9 in the hub lines up with the holes in the anchor and makes with them three bearing points to support the tack when it is driven into the button; hence, if, as often happens, a tack longer than necessary is used, it will be less apt to bend in the shank than if it were not supported. There is bound. to be some variation in the length of the tacks, and some kinds of buttons when set with tacks that are too long will let the shank of the tack bend so much that the button when set has a lop-sided appearance. This lop-sidedness is wholly avoided by the present invention, and all. of the buttons, whether set with a tack of .uppropriate length or with one of excessive length, will be centered aright.

Another advantage possessed by this invention is that when a tack of excessive length is used, the excess metal, in upsetting, will be forced back against the anchor, and the anchor will either be driven farther down into the hub, or else the concave ends of the anchor will be pressed still farther toward the anchor center, thus providing room for the heading of the tack point.

The anchor is most advantageously made of steel, so as to resist deformation. It is substantially cylindrical to lit in a slightly tapering hub, or these two contours are otherwise complementally shaped so as to prevent the anchor from going so far down into the hub as to prevent the proper reception of the headed point of the tack shank.

The invention, obviously, is susceptible of variations in form and construction within the limits of the claims hereinafter made; and is applicable to various forms of buttons, both closed and open face, and whether the anvil for upsetting the end. of the tack is within and a part of the button, or whether such upsetting means is a part of the setting tool or machine.

What I claim is 1. A tack-fastened button, having an anvil against which the point of the tack is upset, and a substantially cylindrical anchor having like concave ends and adapted to be assembled with either of its concave ends up next to the anvil to receive the portion. of the tack upset by the anvil.

2. A. tack-it'astened button, having a hub with an inwardly extended perforated bottom, andv a substantially cylindrical anchor oaaeoa with like concave ends adapted to be arranged within the hub either end up, said concave ends having holes alined wit-h one another and with. the perforation in the hub bottom, the fastening tack. being adapted to be passed up through the hub and through the anchor and its point upset within the uppermost concave end of the anchor.

3. A. tack-fastened button, having a hub with an inwardly extended perforated bottom, and a substantially cylindrical anchor with like concave ends adapted to be arranged within the hub either end up, above the bottom of the hub, to receive the upset point of toe tack in its uppermost concave end, thereby leaving a pocket in the hub located between the anchor and the hubs bottom, so that the metal of the hub will collapse under excess pressure in setting.

i. A tack-fastened button, having an anvil for upsetting the tack point, a substantially cylindrical anchor provided with like concave ends and adapted to be arranged either end up next to the anvil, said upper end adapted to receive the portion of the tack upset by the anvil, and a button back having a hub within which the anchor is seated, the hub having an inwardly eX- tcnded bottom, and said bottom and the concave ends of the anchor having alined holes for the introduction of the shank of the fastening tack.

5. A. tack-fastened button, having a back provided with a hub through the bottom of which the shank of the tack may be passed, and a suastantially cylindrical anchor through which the shank of the tack also may be passed and having like concave tackpoint receiving ends and adapted to be fitted in said hub with either of its ends up to receive the upset point of the tack.

6. A taclcfastencd but-ton, having a hub, an anvil, and a substantially cylindrical anchor having like concave ends and adapted to be fitted in said hub either end up next to said anvil and with its lower end above the bottom of said hub, said concave ends having holes alined with one another, and a tack adapted to be passed through the bottom of the hub and said alined holes in said anchor and upset by said anvil into the upper concave end of the anchor, the space between. the bottoms of the hub and anchor permitting movement of the anchor within the hub to accommodate acks of excessive length during the setting operation.

In testimony whereof I have hereunto set my hand this 1st day of May A. l). 1912.

DUDLEY H. MUNGER.

Witnesses PERCY WARNER, E. A. HYDE.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Eatents, Washington, D. G. 

